A rural Waupaca man is facing hundreds of years in prison following multiple sexual assault charges in Waupaca County Circuit Court. 54 year old Alan S. Johnson of theTown of Dayton faces 11 felony counts in all, including first degree sexual assault of a child, repeated sexual assault of the same child, 2nd degree sexual assault of a child, child enticement, causing a child to view harmful material, and several more. The complaint alleges the assaults were against two different children over a 15-year period. If convicted, Johnson could face over 300 years in prison. He is being held on a 50-thousand dollar cash bond, and is due back in court March 16th.